---
type: guide
title: "300 GSM to LB Paper Conversion, Grade by Grade"
description: "300 gsm converts to 111 lb cover, 166 lb index or 80 lb bond, because each grade has its own basis size. The math, the caliper, and what the stock feels like."
resource: https://www.4over4.com/guide/300-gsm-to-lb-paper
tags: ["guide"]
generated:
  by: "process:4over4-mapp-build"
  at: 2026-09-08T01:19:44.025Z
timestamp: 2026-09-08T01:19:44.025Z
sources:
  - resource: https://www.4over4.com/guide/300-gsm-to-lb-paper
    title: "300 GSM to LB Paper Conversion, Grade by Grade"
status: stable
---

# 300 GSM to LB Paper Conversion, Grade by Grade

300 gsm converts to 111 lb cover, 166 lb index or 80 lb bond, because each grade has its own basis size. The math, the caliper, and what the stock feels like.

See [all guide concepts](index.md).

- Page type: guide
- URL: https://www.4over4.com/guide/300-gsm-to-lb-paper